derated engine

derated engine

An engine whose maximum thrust has been reduced to lower than design value. This is normally done by restricting the maximum exhaust gas temperature of the engine or by restricting intake air for reciprocating engines.
References in periodicals archive ?
LAHORE, June 13, 2011 (Frontier Star): Pakistan Electric Power Company (Pepco) and WAPDA will add 2020MW and 381MW to the main power system respectively, while GenCOs (Generation Companies) will regain their lost capacity of 637MW by upgrading the derated engines in next three years.